Mineralape

Magnesiodumortierite

MgAl6BSi3O17(OH)
root IMA redefined

Magnesiodumortierite is a rare borosilicate mineral with the chemical formula magnesium aluminum borosilicate hydroxide. It belongs to the orthorhombic crystal system and is classified in the Strunz system as 9.AJ.10. The mineral is typically found in metamorphic environments and is characterized by a vitreous luster, a hardness of approximately 7 on the Mohs scale, and a relatively high density. It is usually gray to brown in color and is part of the dumortierite group, which includes minerals with similar structural and chemical properties.

Composition

Composizione (% in peso)
O
Al
Si
  • OOxygen50.5%
  • AlAluminium28.4%
  • SiSilicon14.8%
  • MgMagnesium4.3%
  • BBoron1.9%
  • HHydrogen0.2%

Overview

Magnesiodumortierite is a rare borosilicate mineral with the chemical formula magnesium aluminum borosilicate hydroxide. It belongs to the orthorhombic crystal system and is classified in the Strunz system as 9.AJ.10. The mineral is typically found in metamorphic environments and is characterized by a vitreous luster, a hardness of approximately 7 on the Mohs scale, and a relatively high density. It is usually gray to brown in color and is part of the dumortierite group, which includes minerals with similar structural and chemical properties.

Etymology

The name 'magnesiodumortierite' is derived from 'magnesium,' reflecting the presence of this element in its chemical composition. It is a redefined species within the dumortierite group by the IMA.

How to recognize it

Magnesiodumortierite can be identified by its hardness of approximately 7 on the Mohs scale and its vitreous luster. It typically exhibits a gray to brown color and a white streak. Its density is relatively high, which can help distinguish it from similar minerals. It is often confused with other borosilicates due to its similar appearance and chemical composition.

Indicative prices

Magnesiodumortierite is a rare mineral and is not commonly traded as a gemstone or in jewelry. Prices, if available, are highly variable and depend on origin, clarity, and size. As a specimen, it may fetch higher prices among collectors. There are no well-established market ranges in USD or EUR due to its rarity and limited commercial availability.

Spiritual meaning and crystal therapy

Mantra
Clarity and strength guide me

Spiritual meaning

Magnesiodumortierite is a stone of inner strength and focus, traditionally believed to support clarity of purpose and the courage to pursue one's highest goals.

Esoteric properties

Magnesiodumortierite is said to enhance mental clarity, support emotional balance, and encourage perseverance. It is associated with grounding energy and a calm, centered mindset.

Associated chakra

This stone is traditionally linked to the root and crown chakras. Its grounding energy supports the root, while its clarity and spiritual focus align with the crown chakra.

Crystal therapy use

Used in meditation, as a focus stone during intention-setting, or worn as jewelry to carry its stabilizing and empowering energy throughout the day.

Information on crystal therapy is provided for cultural and traditional purposes only. It does not replace medical advice or treatment. Always consult a doctor for health issues.

Affirmations

Positive first-person sentences to repeat mentally or aloud while holding the crystal, during meditation or at the start of the day. They help focus intention and attune to the energy traditionally attributed to the stone.

  • I am grounded and centered.
  • I move through life with clarity and purpose.
  • I trust my inner strength and wisdom.

Cleansing and recharging

Pulizia & Ricarica

To cleanse magnesiodumortierite, place it under moonlight or sunlight for a few hours. You may also use sound cleansing with a singing bowl or gently smudge it with sage or palo santo.

Guided meditation

Sit comfortably with the stone in your hands. Breathe deeply, allowing its energy to ground you. Visualize a beam of white light connecting you to your higher self, bringing clarity and strength.

Body placement

Posizionamento sul corpo

Chakra: root

Place magnesiodumortierite at the base of the spine for grounding, or on the crown of the head to enhance spiritual awareness and focus.

  • Corona
  • Terzo occhio
  • Gola
  • Cuore
  • Plesso solare
  • Sacrale
  • Radice

Feng Shui

Ideal for the career (north) or knowledge (northeast) sectors in Feng Shui. It supports focus, clarity, and the pursuit of long-term goals.

Pairings with other crystals

Pairs well with amethyst for spiritual clarity and black tourmaline for grounding. These combinations enhance focus, protection, and emotional balance.

Crystal bath

Not recommended for direct water immersion — instead place the stone nearby during a warm bath to infuse the space with its calming and clarifying energy.

Secondary chakras

Frequently asked questions

Yes, magnesiodumortierite is considered a rare mineral, and it is not commonly found in commercial markets.